Literary usage of Sleuth

Below you will find example usage of this term as found in modern and/or classical literature:

1.Reports of Cases by New York (State). Court of Appeals (1892)"The plaintiff now contends that " sleuth," as a word or name, has become his ...
What he does find is that the pseudonym " Old sleuth " was the plaintiff's ..."

2.A Manual of Trade-mark Cases: Comprising Sebastian's Digest of Trade-mark by Rowland Cox, Lewis Boyd Sebastian (1892)"If the character and prowess of Old sleuth have captivated the literary fancy of
a portion of the public, and a magic in the name secures the public ..."

3.Darkness and Daylight; Or, Lights and Shadows of New York Life: A Woman's by Helen Campbell, Thomas Wallace Knox, Thomas Byrnes (1892)"THE POLICE DEPARTMENT OF NEW YORK —THE DETECTIVE FORCE AND ITS WORK—SHADOWS AND
SHADOWING — sleuth-HOUNDS OF THE LAW. A Building that is Never Closed ..."